1. When the one-timing concrete flowing amount is large with no supports is close to the batching plant, you’d better choose two small specs batching plants.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:mini concrete mixers,SICOMA concrete twin shaft mixer,If you are interested in our products, please contact us freely: sales@daswell.com 2. When the transportation isn't convenient of construction site and also the maintenance personnel need waste considerable time to go in and from the site, you’d better choose two same specifications small size concrete batching plants, or prepare enough spares to guarantee the smooth manufacture of construction. batching plant on purchase 3. Once the construction sites are scattered SICOMA Twin Shaft Compulsory Concrete Cement Mixer, however the distance isn't not even close to one another, the transportation radius doesn't exceed 30 minutes and also the distance of dump truck a maximum of ten minutes, you’d better choose concentrated batching plant to enhance its efficiency and economic benefits. 4. Generally, the dwelling of small batching plant is comparatively easy and its control product is also simple. Therefore, the needs towards the operation and maintenance staff is low while, the needs from the large planetary mixer, complicated structure and amount of automation batching plants is going to be greater.